2018–19 Slovenian Football Cup

The 2018–19 Slovenian Football Cup was the 28th edition of the football knockout competition in Slovenia. The winners of the cup earned a place in the 2019–20 UEFA Europa League first qualifying round. The tournament began on 14 August 2018 and ended on 30 May 2019 with the final.

Olimpija Ljubljana were the defending champions after defeating Aluminij with a score of 6–1 in the previous season's final. They successfully defended the title by defeating their eternal rivals Maribor 2–1 in the final.

2017–18 Slovenian PrvaLiga members

 * Aluminij
 * Ankaran
 * Celje
 * Domžale
 * Gorica
 * Krško
 * Maribor
 * Olimpija
 * Rudar Velenje
 * Triglav Kranj

Qualified through MNZ Regional Cups

 * 2017–18 MNZ Celje Cup: Šampion and Rogaška
 * 2017–18 MNZ Koper Cup: Koper and Plama Podgrad
 * 2017–18 MNZG-Kranj Cup: Jesenice and Zarica Kranj
 * 2017–18 MNZ Lendava Cup: Turnišče and Nafta
 * 2017–18 MNZ Ljubljana Cup: Ivančna Gorica and Bravo
 * 2017–18 MNZ Maribor Cup: Akumulator Mežica and Korotan Prevalje
 * 2017–18 MNZ Murska Sobota Cup: Grad and Mura
 * 2017–18 MNZ Nova Gorica Cup: Bilje and Brda
 * 2017–18 MNZ Ptuj Cup: Videm and Drava Ptuj